<style>
.button {
  background-color: #15535e;
  border: none;
  color: #cbfa40;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 18px;
}

.footer {
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: #15535e;
  color: white;
  text-align: left;
  padding: 60px;
}
</style>